Features: Simple model selection: suitable for measuring and imitating various shapes, such as cylinders and irregular objects The lock type can fix the shape after taking the shape without shifting. Upgraded metal lock with lock, better locking effect and more durable Accurate measurement: clear scale in metric and inch system, convenient and quick to measure and read. Maximum picking depth: 60mm High-density symmetrical strip: ABS material, built-in aluminum core. Can be used for shape measurement projects such as laying floors, carpets, plumbing, etc. Quality advantage: manual adjustment, tighter teeth, no looseness, finer workmanship Package Includes: 1xContour Gauge Specifications: Material:ABS+Plastic Color :Green Size: Approx.10inch note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.